digital tach ?

[odessey]

Recently upgradedf to new F70 4 stroke and just purchased digital tach. It is round unit with trim, oil pressure and temp waring has set and mode buttons.Do I have a2 or 3 lead trim sensor and a 6 or 12 pole generatorfor the dip switch settings?
Problem resolved

[boats.net]

Set Tach for:
2 wire trim sender
12 pole alternator
4 stroke engine